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Finding the Fourth Proportional to 7,875.02, 11,797.46 and 7,611.26

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Solution

The fourth proportional to 7,875.02, 11,797.46 and 7,611.26 is: 11,402.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.02 : 11,797.46 = 7,611.26 : x
  2. Step 2: Convert to fraction form
    7,875.02/11,797.46 = 7,611.26/x
  3. Step 3: Cross multiply
    7,875.02x = 11,797.46 × 7,611.26
  4. Step 4: Simplify right side
    7,875.02x = 89,793,535.40
  5. Step 5: Solve for x
    x = 89,793,535.40/7,875.02
  6. Step 6: Final answer
    x = 11,402.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.